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2015 BMW M4 Convertible debuts: drop-top fun priced from $73,425

The 2015 BMW M4 Convertible made its official debut at the New York auto show yesterday. While the details of the high-octane hardtop didn't exactly catch us off-guard (see our full breakdown here), we now know how much it'll cost to feel the wind in your hair as you launch from 0-60 mph in 4.4 seconds: $73,425, to start. Complete pricing will be available closer to the M4 Convertible's sale date, which is “late summer” 2014, according to BMW.

Camaro Z/28 Indy 500 pace car revealed by Chevrolet

Chevrolet has taken the wraps off the pace car for the 98th running of the Indianapolis 500: It'll be the 2014 Chevrolet Camaro Z/28. Veteran race car driver Dario Franchitti will be piloting the Camaro Z/28 around the track on race day, May 25. 2014 will mark the eighth time that a Camaro has been chosen as the official pace car for the race, with 1967 being the first time that a Camaro has lead the pack around the course.

Huntsman U-Box concept explores use of carbon materials

If you attended our Car Design Night at this year's Geneva motor show, you may well have seen the U-Box concept vehicle parked outside the entrance. Developed by Huntsman Advanced Materials, this 'last mile' delivery vehicle is a showcase of the company's composite materials expertise. "The D3 Group [based in Paris] designed the car and also came up with the idea of 'last-mile delivery'," explains Harald Wiedemann, Vice President of Huntsman Advanced Materials (EMEAI).